Re: R&D Performance now offers TB modifications!! (lengthy content)

From: Bernd D. Ratsch (bernd@texas.net)
Date: Mon Apr 19 1999 - 19:27:03 EDT


With all that put aside...If we don't like them...we return them and get a
100% money-back GUARANTEE and a replacement TB unit to boot?

----- Original Message -----
From: <RDPerform@aol.com>
To: <dakota-truck@buffnet.net>
Sent: Monday, April 19, 1999 6:12 PM
Subject: DML: R&D Performance now offers TB modifications!! (lengthy
content)

> Hey folks,
>
> With all of this TB modification talk going on, I've decided to offer a
> blueprinted, high precision CNC machined throttle body at a fair price
> without the large waiting period.
>
> The main focus we had when prototyping these throttle bodies was quality,
as
> with any other of our products. Several extra steps were taken to increase
> the quality and airflow capabilities of the throttle body that you won't
find
> anywhere else without really paying for it.
>
> Here's how it works;
>
> We start with a stock throttle body and disassemble it.
>
> Everything is then cleaned and prepped, and then the unit is placed in one
of
> our CNC controlled verticle machining centers (mill). The unit is then
given
> a large enough overbore to clean up the factory back bore and open the
entire
> throttle body to that diameter all the way through. This is one of the
most
> important steps in our TBs, as it completely removes the large "step" in
the
> throat of the throttle body that causes a big restriction. It also
completely
> corrects the factory's messy machine work. You won't get this from a
throttle
> body that uses the factory diameter bore. It does take extra time, it does
> cost more, but rather than making this an option or upgrade, we included
it
> in the base price.
>
> The next step is to machine a 7 degree taper to remove the factory's rough
> casting job and blend to the throttle body's new intake diameter. This
step
> opens up the stacks on the top of the throttle body and smooths the
> transition to the new, larger air intake bores.
>
> Now that the bores of the throttle body are done, new throttle plates are
> essential as the stock ones won't fit. Rather than using a cheap, stamped
> aluminum throttle plate that would fit so-so in the bore, we created a
> special fixture that holds the new throttle plates (constructed of 303
> stainless steel) in the machine at the position they would be at when the
> throttle is closed. To understand what I'm saying, you would probably have
to
> take a look at one off the truck, but the plates sit at a slight angle
when
> your foot is off the gas, not flat. With the new SS plates held at this
> angle, they are then milled to perfectly match the throttle body's new
bore
> and sit at that perfect angle. The stainless plates actually increase the
> strength of the shaft assembly over using aluminum plates, and usually,
angle
> milling the throttle plates is overlooked by most hot rodders that would
> rather use already made stamped aluminum pieces (much easier, more cost
> effective), but this is just another one of the features you'll find in
this
> unit.
>
> The next step is to address the throttle shaft. The stock shaft is bulky,
> very thick, and not the best design for a high flow application. There
will
> be a new stainless shaft option here that will cost slightly extra, but we
do
> modify the stock shafts as well for the budget minded. The stock shaft is
> counter bored & tapped for socket flat head stainless steel screws. This
> means that the screws are "sunk" into the shafts diameter and do not
protrude
> into the throttle bore. The shaft is then equally cut on both sides for a
> thinner cross section in the bore. The result is even more air flow.
>
> The bores and blades are then hand polished to a high luster and
assembled,
> and the screws in the shaft are tig welded in place for your engine's
> absolute security. The stock shaft also receives a special coating to
prevent
> the corrosion on bare steel.
>
> The results? Impressive. We're very confident with our throttle body
> modifications that we'll back them with a satisfaction guarentee. I
seriously
> doubt this scenerio will ever pop up, but, if you are unhappy with the
> performance increases as a result of these modifications, just return the
> unit and you'll receive your money back... it's that easy.
>
> The next step is to finish testing new shaft designs... This should happen
> very soon, but I'm not sure how this will effect the pricing of the just
yet.
>
> Pricing is still up in the air, but I expect to offer everything I've
listed
> (and possibly more) in the mid-high $200 range. I'm looking for your input
on
> what you all think.
>
> As for production status, I only need to find a better source of throttle
> bodies so I can do this on an exchange basis more efficiently. Maybe
someone
> on the list could point me in the right direction? Large back order times
due
> to the lack of machine time shouldn't be a worry. The programs are
written,
> the product is ready, and I can start taking orders as soon as I get a
> pricing structure set up.
>
> I'll have a page available at http://members.aol.com/rdperform/tbimod.html
> within the next few days.
>
> Look foward to hearing from those that are interested...
>
> ttyl
> Patrick
> surf.to/rdperformance
>



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